S. B. Nasib, K. Suketi, and W. D. Widodo, “Pengaruh Plant Growth Promoting Rhizobacteria Terhadap Bibit dan Pertumbuhan Awal Pepaya”, Bul. Agrohorti, vol. 4, no. 1, pp. 63–69, Jan. 2016, doi: 10.29244/agrob.v4i1.15002.